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POLOLU

Pololu Universal Aluminum Mounting Hub for 1/4" Shaft, #4-40 Holes (2-Pack)

Pololu Universal Aluminum Mounting Hub for 1/4" Shaft, #4-40 Holes (2-Pack)

SKU:Pololu-1993

Regular price Rs. 789.00
Regular price Sale price Rs. 789.00
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2 in stock

These universal mounting hubs are designed to work with most 0.250 inch (6.35 mm) shafts, including round shafts and “D” shafts, such as those on our NEMA 23 stepper motors. Each of the two included hubs has four mounting holes for #4-40 screws (not included), letting you mount custom wheels or mechanisms to your motors. The four included #4-40 hex set screws (two for each hub) allow secure coupling of shaft to hub, and a 0.05″ hex wrench (often the smallest size in SAE Allen wrench sets) is included for use with the set screws. A dimension diagram of the hub is available under the resources tab.

Specifications:

Dimensions:

Size: 25.4 mm diameter × 9.2 mm thick
Weight: 6.7 g1
Shaft diameter: 0.250 in
Mounting hole size: #4-402

Note:

1
For a single hub only (without set screws).
2
This is also the size of the set screws

Pololu universal aluminum mounting hub for 0.250″ shaft, #4-40 holes mechanical drawing (69k pdf)

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